AI and LLMs · Senior · Question 12 of 75
How do you keep a RAG index fresh as documents change?
- 1Incremental re-indexing on changes, plus deleting removed content
- 2Never update it, since embeddings don't go out of date
- 3Rebuild the whole index once a year during a quiet period
Show the answer
Correct answer: Incremental re-indexing on changes, plus deleting removed content
Explanation
Stale chunks give outdated answers; deleted documents left in the index can leak data or break GDPR deletion.